The Cardinals have had issues at the running back position, with Ryan Williams out for the season and Beanie Wells, LaRod Stephens-Howling and William Powell all struggling to consistently gain yardage.

Whittaker, who went undrafted out of Texas in 2012, ran for 1,233 yards and 12 touchdowns in his collegiate career. He also caught 73 passes for 464 yards and a score.